creates a two-way contingency table using existing cell counts sorts the data in descending order so that the first table cell contains the frequency of positive exposure and positive response ...

A contingency table is a useful tool for doing that. It shows the frequencies of different outcomes in a two-way classification, such as gender and eye color, or smoking and lung cancer.

The output of the chi2_contingency() method is not particularly attractive but it contains what we need: The first line is the χ 2 statistic, which we can safely ignore The second line is the ...

This paper illustrates tests for some suitable hypotheses in analysis of contingency tables when some characters are quantitative. For a two-dimensional table tests are given for the hypothesis of ...

Journal of the Royal Statistical Society. Series D (The Statistician), Vol. 49, No. 3 (2000), pp. 383-388 (6 pages) For contingency tables with one factor as a response, log-linear models can be used ...